using Xunit; namespace SabreTools.Serialization.Readers.Test { public class XMIDTests { [Fact] public void NullString_Null() { string? data = null; var deserializer = new XMID(); var actual = deserializer.Deserialize(data); Assert.Null(actual); } [Fact] public void EmptyString_Null() { string? data = string.Empty; var deserializer = new XMID(); var actual = deserializer.Deserialize(data); Assert.Null(actual); } [Fact] public void InvalidString_Null() { string? data = "INVALID"; var deserializer = new XMID(); var actual = deserializer.Deserialize(data); Assert.Null(actual); } } }